added armv7l support

Author: aryonoco

.devcontainer/Dockerfile

@@ -70,7 +70,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 USER vscode
 WORKDIR /home/vscode
 
-# Install Zig (cross-compilation toolchain for amd64, arm64, ppc64le)
+# Install Zig (cross-compilation toolchain for amd64, arm64, armv7l, ppc64le, loong64)
 # URL format: zig-{ARCH}-linux-{VERSION}.tar.xz (architecture before OS)
 RUN echo "Installing Zig ${ZIG_VERSION}..." \
     && ARCH=$(uname -m) \

.devcontainer/devcontainer.json

@@ -4,6 +4,7 @@
     "dockerfile": "Dockerfile",
     "args": {
       "NIM_VERSION": "2.2.6",
+      "NPH_VERSION": "0.6.2",
       "NIMLANGSERVER_VERSION": "1.12.0",
       "ZIG_VERSION": "0.15.2",
       "RISCSTAR_VERSION": "15.2-r1"
@@ -62,6 +63,8 @@
 
   "containerEnv": {
     "NIM_VERSION": "2.2.6",
+    "NPH_VERSION": "0.6.2",
+    "NIMLANGSERVER_VERSION": "1.12.0",
     "ZIG_VERSION": "0.15.2",
     "RISCSTAR_VERSION": "15.2-r1",
     "EDITOR": "code --wait",

.devcontainer/post-create.sh

@@ -43,10 +43,12 @@ alias jb='just build'
 alias jbr='just release'
 
 # Cross-compilation shortcuts (via just)
-alias jba='just build-all'
+alias jra='just release-all'
 alias jbarm='just build-arm64'
+alias jbarmv7='just build-armv7l'
 alias jbrv='just build-riscv64'
 alias jbppc='just build-ppc64le'
+alias jbloong='just build-loong64'
 
 # Test shortcuts (via just)
 alias jt='just test'
@@ -94,10 +96,12 @@ yabbhelp() {
   echo "  jbr         - just release (optimised static)"
   echo ""
   echo "Cross-compilation:"
-  echo "  jba         - just build-all (all 4 architectures)"
+  echo "  jra         - just release-all (all 6 architectures)"
   echo "  jbarm       - just build-arm64"
+  echo "  jbarmv7     - just build-armv7l"
   echo "  jbrv        - just build-riscv64"
   echo "  jbppc       - just build-ppc64le"
+  echo "  jbloong     - just build-loong64"
   echo ""
   echo "Test:"
   echo "  jt          - just test"
@@ -206,7 +210,7 @@ echo "Quick start:"
 echo "  just            - Show all available commands"
 echo "  just build      - Build debug binary"
 echo "  just release    - Build optimised static binary"
-echo "  just build-all  - Cross-compile all architectures"
+echo "  just release-all - Cross-compile all architectures"
 echo "  just test       - Run tests"
 echo "  just ci         - Run full CI pipeline"
 echo "  yabbhelp        - Show alias shortcuts"

.github/workflows/release.yml

@@ -8,8 +8,9 @@
 # =============================================================================
 # YABB Release Workflow
 # Cross-compiles static binaries for all architectures
-# - amd64, arm64, ppc64le: Zig cross-compilation
+# - amd64, arm64, armv7l, ppc64le, loong64: Zig cross-compilation
 # - riscv64: RISCstar toolchain (Zig's musl has ABI incompatibility)
+# Note: armv7l requires NEON (Zig's musl is compiled with NEON optimisations)
 # All builds run in parallel on x86_64 runners
 # Archives use zstd compression (level 19) for best size
 # =============================================================================
@@ -40,6 +41,10 @@ jobs:
             target: aarch64-linux-musl
             nimcpu: "--cpu:arm64"
             march: "-march=armv8-a -mtune=cortex_a72"
+          - arch: armv7l
+            target: arm-linux-musleabihf
+            nimcpu: "--cpu:arm"
+            march: "-mcpu=baseline"
           - arch: riscv64
             nimcpu: "--cpu:riscv64"
             # Uses RISCstar toolchain instead of Zig (Zig's musl has soft-float ABI)

Install.txt

@@ -7,6 +7,7 @@ Installation Guide
 REQUIREMENTS
 ------------
 - Linux with BTRFS filesystems (source and destination must both be BTRFS)
+- Supported architectures: x86_64, aarch64, armv7l, riscv64, ppc64le, loongarch64
 - Root access (sudo) for backup operations
 - Bash 5.2 or newer (for automatic installer)
 - btrfs-progs 5.14 or newer

justfile

@@ -154,6 +154,7 @@ release: && _clean-cache
     case "$ARCH" in
         x86_64)  nimble releaseAmd64 && cp bin/yabb-linux-amd64 bin/yabb ;;
         aarch64) nimble releaseArm64 && cp bin/yabb-linux-arm64 bin/yabb ;;
+        armv7l)  nimble releaseArmv7l && cp bin/yabb-linux-armv7l bin/yabb ;;
         riscv64) nimble releaseRiscv64 && cp bin/yabb-linux-riscv64 bin/yabb ;;
         ppc64le) nimble releasePpc64le && cp bin/yabb-linux-ppc64le bin/yabb ;;
         loongarch64) nimble releaseLoong64 && cp bin/yabb-linux-loong64 bin/yabb ;;
@@ -179,6 +180,12 @@ build-arm64:
     @echo "Cross-compiling for ARM64..."
     nimble releaseArm64
 
+# Build for ARMv7 Linux (static musl, hard-float, NEON - Debian armhf)
+# Note: Zig's musl requires NEON, so this won't run on NEON-less ARMv7 devices
+build-armv7l:
+    @echo "Cross-compiling for ARMv7 (armhf)..."
+    nimble releaseArmv7l
+
 # Build for RISC-V 64-bit Linux (static musl, lp64d hard-float)
 # Uses RISCstar toolchain - works on both x86-64 and ARM64 hosts
 build-riscv64:
@@ -195,8 +202,8 @@ build-loong64:
     @echo "Cross-compiling for LoongArch64..."
     nimble releaseLoong64
 
-# Build all Linux architectures (amd64, arm64, riscv64, ppc64le, loong64)
-build-all: build-amd64 build-arm64 build-riscv64 build-ppc64le build-loong64
+# Release binaries for all Linux architectures (amd64, arm64, armv7l, riscv64, ppc64le, loong64)
+release-all: build-amd64 build-arm64 build-armv7l build-riscv64 build-ppc64le build-loong64
     @echo ""
     @echo "All architectures built:"
     @ls -lh bin/yabb-linux-* 2>/dev/null || echo "No binaries found"
@@ -316,7 +323,7 @@ _clean-cache:
 # Clean all build artifacts including binaries
 clean:
     @echo "Cleaning build artifacts..."
-    rm -rf bin/yabb bin/yabb-linux-* bin/*.exe
+    rm -rf bin/yabb bin/yabb-* bin/*.exe
     rm -rf nimcache/
     rm -rf htmldocs/
     rm -f testresults.html

scripts/setup-yabb.sh

@@ -14,7 +14,7 @@
 #
 # REQUIREMENTS:
 #   Bash 5.2+
-#   Linux (x86_64, aarch64, riscv64, ppc64le, or loongarch64)
+#   Linux (x86_64, aarch64, riscv64, ppc64le, armv7l or loongarch64)
 #   curl, tar, zstd, sha256sum, flock
 #
 # USAGE (please manually verify content first!):
@@ -166,6 +166,7 @@ declare -ra REQUIRED_COMMANDS=(
 declare -rA ARCH_MAP=(
   [x86_64]="amd64"
   [aarch64]="arm64"
+  [armv7l]="armv7l"
   [riscv64]="riscv64"
   [ppc64le]="ppc64le"
   [loongarch64]="loong64"

yabb.nimble

@@ -7,7 +7,7 @@
 #
 # Package
 
-version = "0.4.18"
+version = "0.4.19"
 author = "Aryan Ameri"
 description = "Yet Another BTRFS Backup"
 license = "MPL 2.0"
@@ -96,7 +96,7 @@ task test, "Run tests":
   exec "testament all"
 
 task clean, "Clean build artifacts":
-  exec "rm -rf bin/yabb bin/yabb-linux-* nimcache/"
+  exec "rm -rf bin/yabb bin/yabb-* nimcache/"
 
 # =============================================================================
 # Release builds
@@ -127,6 +127,16 @@ task releaseArm64, "Build static binary for ARM64 Linux":
   exec "llvm-strip -s bin/yabb-linux-arm64"
   echo "Built: bin/yabb-linux-arm64"
 
+task releaseArmv7l, "Build static binary for ARMv7 Linux (armhf)":
+  # Debian armhf: ARMv7-A + VFPv3 + Thumb-2 + NEON, hard-float EABI
+  # Uses baseline (most conservative ARMv7-A target without CPU-specific tuning)
+  # Note: Zig's musl includes NEON-optimised routines, so NEON is required
+  exec "nim c " & releaseFlags & " " & zigccFlags & " " & "--cpu:arm " &
+    "--passC:'-target arm-linux-musleabihf' " & "--passL:'-target arm-linux-musleabihf' " &
+    "--passC:-mcpu=baseline " & ltoFlags & " -o:bin/yabb-linux-armv7l src/yabb.nim"
+  exec "llvm-strip -s bin/yabb-linux-armv7l"
+  echo "Built: bin/yabb-linux-armv7l"
+
 task releaseRiscv64, "Build static binary for RISC-V 64-bit Linux":
   # Uses RISCstar musl toolchain with lp64d ABI (hard-float)
   # Zig's musl uses soft-float which is incompatible with Debian riscv64
@@ -158,6 +168,7 @@ task releaseLoong64, "Build static binary for LoongArch64 Linux":
 task releaseAll, "Build static binaries for all Linux architectures":
   exec "nimble releaseAmd64"
   exec "nimble releaseArm64"
+  exec "nimble releaseArmv7l"
   exec "nimble releaseRiscv64"
   exec "nimble releasePpc64le"
   exec "nimble releaseLoong64"